Data centersColt Data Centre Services data centers in Japan
6 facilities in this directory. Specifications are based on public sources.
Colt Data Centre Services · Inzai City, Chiba Prefecture
Facility 1 on the Inzai campus. IT power 8 MW, white space 4,000 m2.
- Rack / cabinet capacity
- Not verified
- Rack power
- IT Power 8 MW
- Cooling
- Not verified
Operation announced · Checked 2026-09-23
Colt Data Centre Services · Inzai City, Chiba Prefecture
An operational 15MW hyperscale facility in Inzai City.
- Rack / cabinet capacity
- Not verified
- Rack power
- 15MW
- Cooling
- N+1 cooling, wall supply and return air plenum
Operation announced · Checked 2026-09-23
Colt Data Centre Services · Inzai City, Chiba Prefecture
A 27MW facility in Inzai City that began service in 2020, featuring 8,000 sq m of white space.
- Rack / cabinet capacity
- Not verified
- Rack power
- 27MW (6.75MW per floor, 3.375MW per hall)
- Cooling
- Chilled water cooling + CRAH
Operation announced · Checked 2026-09-23
Colt Data Centre Services · Inzai City, Chiba Prefecture
Hyperscale facility in Inzai City where Phase 1 commenced operations in February 2025.
- Rack / cabinet capacity
- Not verified
- Rack power
- Phase 1: 4.8MW operational; approximately 20MW at completion
- Cooling
- CRAH and chilled-water cooling.
Operation announced · Checked 2026-09-23
Colt Data Centre Services · Seika-cho, Soraku-gun, Kyoto Prefecture
An operational hyperscale facility in Keihanna Science City. Current nominal capacity following completion of phase 2 is 45MW.
- Rack / cabinet capacity
- Not verified
- Rack power
- 45MW (45.9MW in opening release)
- Cooling
- N+1 water-cooled air conditioning + wall-blow air conditioning
Operation announced · Checked 2026-09-23
Colt Data Centre Services · Koto Ward, Tokyo
Current Tier 3-equivalent data center in Koto Ward with 5.6MW IT power.
- Rack / cabinet capacity
- Not verified
- Rack power
- IT power 5.6MW
- Cooling
- Air-cooled system (detailed cooling method not verified on public page).
Operation announced · Checked 2026-09-23